Osram Launches Duris S 5 for Linear and Area Indoor Lighting

Duris S 5 is the latest high-tech addition to the Duris LED family from Osram Opto Semiconductors. This new LED component offers an impressive lifetime of more than 35,000 hours. And in contrast to other components it can withstand much higher temperatures in the applications – up to 105 degrees Celsius (°C). Duris S 5 is ideal for indoor lighting – in retrofits, in downlights or in panel luminaires.

The package for Duris S 5 is made from highly robust synthetic material that is resistant to aging caused by high temperatures and short-wave blue light. Compared with LEDs in other package materials, the new Duris achieves a life of more than 35,000 hours even at an ambient temperature of 105 °C. “This innovative LED package makes the component robust and cost-effective. This is then reflected of course in the luminaire manufacturing costs for our customers”, said Janick Ihringer, Product Manager Marketing SSL at Osram Opto Semiconductors.
 
The main applications for the new Duris are retrofits and luminaires for both linear and area indoor lighting, as used in so many places such as offices, hotel lobbies and museums. The square footprint and the small round light-emitting surface translate into a compact arrangement in the lamp. This in turn means that the light can be efficiently coupled into secondary optics such as lenses and reflectors.
 
Three chip surfaces – three brightness and efficacy levels
The new Duris is being launched in three versions with different chip surfaces and therefore three different brightness levels. The ideal application for the first version is wherever a large amount of light has to be emitted from a small surface area, for example in downlights and LED retrofits. At 3000 Kelvin (K) and a CRI of 80 it achieves very high brightness of 97 lumen (lm) and an efficacy of more than 100 lumen per watt (lm/W) at an operating current of 150 milliamps (mA). Its optimized forward voltage of around six volts (V) means that efficient driver solutions can be used that have a beneficial effect on the cost-effectiveness of the overall system.
 
The second version is designed for high efficacy, achieving 125 lm/W at 65 mA with 24 lm at 3000 K. It is therefore designed for use in panel luminaires and linear retrofits in which individual light points should not be visible and low energy consumption is an important consideration.
 
For these applications there is an alternative in the shape of version three, which has only a slightly lower efficacy and is designed for optimum system costs. It achieves an efficacy of 113 lm/W with a brightness of 28 lm – also at 3000 K. “With Duris S 5 we can offer our customers the greatest possible choice. The right LED for the particular design of luminaire can be selected, depending on whether high brightness, high efficacy or a good average of the two is required", added Janick Ihringer.
 
The certification process for the high lifetime standard of LM-80 with 10,000 hour tests is already under way. An initial announcement is expected in early summer.
 
For more information on the new Osram Duris S 5 see the product catalog .
Technical data for Duris S 5:


The new Duris S 5 adds three brightness levels to the existing product family.
Picture: Osram 
 

Retrofits, downlights and panel luminaires in the commercial sector are the main areas of application for the new Duris S 5 LED components.
Picture: Osram  

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